Concrete cap for a wall



FIG. 1 is a perspective view as seen from the upper front right side of a concrete cap for a wall showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a perspective view as seen from the upper left end thereof; and,

FIG. 4 is a perspective view as seen from the upper right thereof.

The bottom of the cap is substantially flat and does not form a part of the ornamental design. 

The ornamental design for a concrete cap for a wall, as shown and described. 